Index: apps/gui/usb_screen.c
===================================================================
--- apps/gui/usb_screen.c	(revision 26196)
+++ apps/gui/usb_screen.c	(working copy)
@@ -38,6 +38,7 @@
 #include "led.h"
 #include "appevents.h"
 #include "usb_screen.h"
+#include "scrollbar.h"
 
 #ifdef HAVE_LCD_BITMAP
 #include "bitmaps/usblogo.h"
@@ -56,6 +57,8 @@
 static bool usb_hid;
 #endif
 
+#define USB_BUTTON_TIMEOUT (HZ/10)
+
 #ifndef SIMULATOR
 
 static int handle_usb_events(void)
@@ -83,7 +86,7 @@
         else
 #endif
         {
-            button = button_get_w_tmo(HZ/2);
+            button = button_get_w_tmo(USB_BUTTON_TIMEOUT);
             /* hid emits the event in get_action */
             send_event(GUI_EVENT_ACTIONUPDATE, NULL);
         }
@@ -185,6 +188,12 @@
 static void usb_screens_draw(struct usb_screen_vps_t *usb_screen_vps_ar)
 {
     int i;
+    static int image_pos[NB_SCREENS] = {0};
+    static int diff[NB_SCREENS] = {5,
+#if NB_SCREENS > 1
+    5
+#endif
+    };
     FOR_NB_SCREENS(i)
     {
         struct screen *screen = &screens[i];
@@ -194,7 +203,6 @@
 #ifdef HAVE_LCD_BITMAP
         struct viewport *logo = &usb_screen_vps->logo;
 #endif
-
         screen->set_viewport(parent);
         screen->clear_viewport();
         screen->backlight_on();
@@ -204,14 +212,22 @@
 #ifdef HAVE_REMOTE_LCD
         if (i == SCREEN_REMOTE)
         {
-            screen->bitmap(remote_usblogo, 0, 0, logo->width,
-                logo->height);
+            struct bitmap bm = {logo->width, logo->height, FORMAT_NATIVE, 0, (char*)remote_usblogo};
+            gui_bitmap_scrollbar_draw(&screens[i], &bm, 0, 0, logo->width,
+                                      logo->height, logo->width, 0, image_pos[i], HORIZONTAL);
+            image_pos[i] += diff[i];
+            if (image_pos[i] > logo->width || image_pos[i] < 0)
+                diff[i] *= -1;
         }
         else
 #endif
         {
-            screen->transparent_bitmap(usblogo, 0, 0, logo->width,
-                logo->height);
+            struct bitmap bm = {logo->width, logo->height, FORMAT_NATIVE, 0, (char*)usblogo};
+            gui_bitmap_scrollbar_draw(&screens[i], &bm, 0, 0, logo->width,
+                                      logo->height, logo->width, 0, image_pos[i], HORIZONTAL);
+            image_pos[i] += diff[i];
+            if (image_pos[i] > logo->width || image_pos[i] < 0)
+                diff[i] *= -1;
 #ifdef USB_ENABLE_HID
             if (usb_hid)
             {
@@ -278,7 +294,7 @@
     {
         usb_screens_draw(usb_screen_vps_ar);
 #ifdef SIMULATOR
-        if (button_get_w_tmo(HZ/2))
+        if (button_get_w_tmo(USB_BUTTON_TIMEOUT))
             break;
         send_event(GUI_EVENT_ACTIONUPDATE, NULL);
 #else